7 For many deceivers have gone out into the world, refusing to confess the coming of Jesus Christ in the flesh. Any such person is the deceiver and the antichrist.
8
Watch yourselves, so that you do not lose what we have worked for, [a] but that you may be fully rewarded.
9
Anyone who runs ahead without remaining in the teaching of Christ does not have God. Whoever remains in His teaching has both the Father and the Son.
10
If anyone comes to you but does not bring this teaching, do not receive him into your home or even greet him.
11
Whoever greets such a person shares in his evil deeds.